. >>> on to the presidential race now, republican challenger mitt romney will campaign today in the swing state of iowa while president obama has media interviews at the white house. yesterday the president ended a 40 hour tour of battleground states including a stop in his hometown of chicago where he cast his ballot for the upcoming election. he is hoping to boost voter turnout by emphasizing that early voting is a simple efficient process. >>> governor romney spent yesterday in ohio a state rich in electoral votes. polls show he trails the president in the buckeye state but is within striking range. >> on november 6 i'm counting on ohio to vote for big change. >> no republican has ever won the white house without winning ohio. both candidates are staging aggressive campaigns there. >>> the giants are heading off to detroit big winners last night. cbs 5 reporter anne makovec is over at at&t park where the giants won a pitcher's duel in game 2. it took a while to score but they finally did. >> reporter: that's right. it is the morning after another very exciting night here at at&t park.